Picture 4.2.1. External view and measurements of the device
4.3
Operating characteristics
The device is powered from a 9 V (DC) power supply. The PC to which the
VoiceUSB
device is
connected must have a USB interface corresponding to USB 1.1 or USB 2.0 standards. Electrical
parameters of the device are shown in Table 4.3.1.
Table 4.3.1. Electrical characteristics of
VoiceUSB
Parameter
Min
Nominal
Max
Units
Power Supply Voltage
+9
+12
+15
V
Average Power consumption
-
1.4
7.2
W
Currency Consumption
100
120
800
mA
Operating conditions and weight of the device are shown in Table 4.3.2 .
Table 4.3.2. Operating conditions and weight
Parameter
Min
Nominal
Max
Units
Weight
135
±
10
-
g
Operating Temperature
-0
-
+55
ºC
Storage Temperature
-20
-
+70
ºC
Note:
If the settings outreach the characteristics given above, the device can be
damaged!
32